S
M
T
W
T
F
S
26
65°
52°
27
71°
46°
28
64°
45°
29
76°
53°
30
74°
53°
1
68°
46°
2
58°
42°
3
66°
35°
4
80°
36°
5
82°
47°
6
75°
63°
7
66°
49°
8
71°
40°
9
75°
43°
10
84°
51°
11
63°
45°
12
73°
45°
13
79°
40°
14
67°
47°
15
75°
42°
16
86°
45°
17
91°
55°
18
92°
62°
19
94°
65°
20
93°
60°
21
92°
61°
22
62°
58°
23
60°
56°
24
77°
66°
25
76°
68°
26
79°
67°
27
83°
65°
28
85°
60°
29
81°
60°
30
72°
57°
31
68°
56°
1
73°
55°
2
75°
55°
3
78°
60°
4
81°
62°
5
82°
64°
6
83°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Carolina
Carolina's May 2026 forecast shows daily high temperatures ranging from 68° to 85°, with overnight lows between 55° and 68°. The average high for May is 78° with an average low of 61°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Carolina. See also: June | July | August.